Tubular titanium alloy part welding device

Abstract

The utility model discloses a tubular titanium alloy piece welding device, which relates to the technical field of welding devices and comprises a bottom plate, first electric cylinders are arranged at the upper end of the bottom plate in a bilateral symmetry mode, sliding rails are symmetrically arranged at the upper end of the bottom plate and on the front sides and the rear sides of the first electric cylinders, and sliding blocks are movably connected to the sliding rails. A buckle plate is arranged between the upper ends of the front and back opposite sliding blocks, a push plate is arranged at the output end of the first electric cylinder, the push plate is connected with the buckle plate, bearing rollers are symmetrically arranged at the front and back of the upper end of the buckle plate, and a second electric cylinder is arranged at the upper end of the buckle plate and located on the outer sides of the bearing rollers; according to the pipe fitting clamping device, radial pressure is applied to the pipe fittings to guarantee clamping stability, axial pressure can be applied to the pipe fittings, so that gaps are prevented from being generated between the pipe fittings, and the welding effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding devices, in particular to a tubular titanium alloy piece welding device. Background Art

[0002] Titanium alloy refers to a variety of alloy metals made of titanium and other metals. Titanium alloy is widely used in various fields due to its high strength, good corrosion resistance, high heat resistance and other characteristics. Titanium alloy pipe fittings are a commonly used type of titanium alloy parts. During production and use, some titanium alloy pipe fittings need to be welded together. Some existing welding devices will clamp and align the pipe fittings first, but lack axial pressure on the pipe fittings, resulting in gaps between the pipe fittings and affecting the welding effect. Utility Model Content

[0003] The utility model aims to provide a tubular titanium alloy welding device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tubular titanium alloy welding device, comprising a base plate, a first electric cylinder is symmetrically provided at the upper end of the base plate, a slide rail is symmetrically provided at the upper end of the base plate and on the front and rear sides of the first electric cylinder, a slider is movably connected to the slide rail, a buckle plate is provided between the upper ends of the sliders that are opposite to each other, a push plate is provided at the output end of the first electric cylinder, the push plate is connected to the buckle plate, a receiving roller is symmetrically provided at the upper end of the buckle plate, a second electric cylinder is provided at the upper end of the buckle plate and on the outer side of the receiving roller, a top plate is provided between the output ends of the second electric cylinder that are opposite to each other, and a holding roller is symmetrically provided at the lower end of the top plate.

[0005] Preferably, a first motor is provided at the right front of the upper end of the right buckle plate, an extension shaft is provided at the right end of the receiving roller at the right front, the output end of the first motor is connected to the extension shaft through a gear, and the receiving rollers on the front side are connected through a telescopic coupling.

[0006] Preferably, a support plate is symmetrically provided in the middle of the upper end of the base plate, and positive and negative screw rods are rotatably connected between the support plates. A second motor is provided at the front end of the support plate on the front side, and the output end of the second motor is connected to the positive and negative screw rods. The outer sides of the positive and negative screw rods are symmetrically threaded with screw hole blocks front and back. Vertical rods are provided at the upper end of the base plate and on both sides of the positive and negative screw rods, a base block is movably connected between the vertical rods, a connecting rod is hinged between the base block and the screw hole block, and a welding head device is provided at the upper end of the base block.

[0007] Compared with the prior art, the utility model has the following beneficial effects: the pipe fittings are clamped by receiving rollers and holding rollers, radial pressure is applied to the pipe fittings to ensure clamping stability, the rollers on the left and right sides respectively clamp two pipe fittings so that the two pipe fittings can be aligned, the rollers can be driven by the electric cylinder to move axially so that the ports of the two pipe fittings can be tightly attached together, axial pressure is applied to the pipe fittings to avoid gaps between the pipe fittings, the pipe fittings are welded by driving the pipe fittings to rotate through the rotation of the rollers and cooperating with the up and down movement of the welding head equipment, thereby ensuring the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model.

[0009] Figure 2 It is a left side cross-sectional structural schematic diagram of the utility model.

[0010] Figure 3 It is a schematic diagram of the left-side cross-sectional structure of the right side of the welding head device of the utility model.

[0011] Figure 4 It is a schematic diagram of the top cross-sectional structure of the utility model.

[0012] In the figure: 1. bottom plate; 2. first electric cylinder; 3. slide rail; 4. slider; 5. buckle plate; 6. push plate; 7. receiving roller; 8. second electric cylinder; 9. top plate; 10. holding roller; 11. first motor; 12. extension shaft; 13. gear; 14. telescopic coupling; 15. support plate; 16. forward and reverse screw rods; 17. second motor; 18. screw hole block; 19. vertical rod; 20. base block; 21. connecting rod; 22. welding head equipment. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] See also Figure 1-4The utility model provides a technical solution: a tubular titanium alloy welding device, comprising a base plate 1, a first electric cylinder 2 is symmetrically arranged at the upper end of the base plate 1, two first electric cylinders 2 are symmetrically fixed on the base plate 1, and the output ends face each other, a slide rail 3 is symmetrically arranged at the upper end of the base plate 1 and at the front and rear sides of the first electric cylinder 2, a slider 4 is movably connected to the slide rail 3, a buckle plate 5 is arranged between the upper ends of the sliders 4 opposite to each other, four slide rails 3 are fixed on the base plate 1 and face each other, and the sliders 4 are aligned with the slide rails 3. The two sliders 4 are mutually adapted and can move left and right on them. The gusset plate 5 is fixed on the front and rear sliders 4. The front and rear ends of the gusset plate 5 are bent downward. The output end of the first electric cylinder 2 is provided with a push plate 6. The push plate 6 is connected to the gusset plate 5. The push plate 6 is fixed between the output end of the first electric cylinder 2 and the gusset plate 5. The gusset plate 5 can be driven to move left and right by the first electric cylinder 2. The upper end of the gusset plate 5 is symmetrically provided with receiving rollers 7. The rollers have bearing bases. The receiving rollers 7 are fixed on the gusset plate 5. The welding pipe fittings are supported by the receiving rollers 7. The pipe fitting can be sunk between the two receiving rollers 7 so that its axis is aligned in the front-to-back direction. The left-right length of the receiving roller 7 is relatively long to facilitate the receiving of the pipe fitting. A second electric cylinder 8 is provided at the upper end of the pinch plate 5 and on the outer side of the receiving roller 7. A top plate 9 is provided between the output ends of the second electric cylinders 8 which are opposite to each other. A pressing roller 10 is symmetrically provided at the lower end of the top plate 9. The two second electric cylinders 8 are fixed at the upper end of the pinch plate 5 with the output ends facing upwards. The top plate 9 is fixed on the output ends of the second electric cylinders 8. The cylinder 8 synchronously extends and retracts to drive the top plate 9 to move up and down. The holding roller 10 is fixed on the top plate 9. The left and right lengths of the holding roller 10 are relatively small and can hold the pipe part near the welding port. The welding pipe is pressed down by the holding roller 10 to clamp the pipe between the holding roller 10 and the receiving roller 7 to prevent the pipe from moving left and right on the roller and enable the pipe to rotate between the rollers. A rubber sleeve can be added to the outside of the roller to increase friction and provide holding buffer. The electrical equipment in the device is connected to the external power supply equipment and control equipment.

[0015] Specifically, a first motor 11 is provided at the right front of the upper end of the buckle plate 5 on the right side, and an extension shaft 12 is provided at the right end of the receiving roller 7 at the right front. The output end of the first motor 11 is connected to the extension shaft 12 by a gear 13, and the receiving rollers 7 on the front side are connected by a telescopic coupling 14, which is used to provide power for the rotation of the rollers. The first motor 11 is fixed on the buckle plate 5, and the extension shaft 12 is fixed to the right end of the receiving roller 7. The output end of the first motor 11 is connected to the first motor 11 and the extension shaft 12 by a bevel gear 13 facing backward, and the receiving roller 7 is driven to rotate by the first motor 11. The first motor 11 needs to be able to drive the receiving roller 7 to rotate in one direction with a gap. The left and right receiving rollers 7 are connected by a coupling, so that the left and right receiving rollers can rotate synchronously, so that the two pipes clamped on both sides rotate synchronously, and the coupling adopts an existing telescopic coupling so that the coupling can adapt to the interval adjustment between the left and right receiving rollers 7.

[0016] Specifically, a support plate 15 is symmetrically arranged at the front and rear middle part of the upper end of the base plate 1, and a positive and negative screw rod 16 is rotatably connected between the support plates 15. A second motor 17 is arranged at the front end of the support plate 15 on the front side, and the output end of the second motor 17 is connected to the positive and negative screw rod 16. The outer side of the positive and negative screw rod 16 is symmetrically threaded with a screw hole block 18 front and rear. A vertical rod 19 is arranged at the upper end of the base plate 1 and on both sides of the positive and negative screw rod 16. A base block 20 is movably connected between the vertical rods 19. A connecting rod 21 is hinged between the base block 20 and the screw hole block 18. A welding head device 22 is arranged at the upper end of the base block 20. Two support plates 15 are fixed to the front and rear edges of the base plate 1. This part is used for welding and can move the welding head up and down to facilitate the welding work of the welding head. The support plate 15 is fixed on the base plate 1, and the positive and negative screw rod 16 can be connected to the support plate 15 through a bearing so that the positive and negative screw rod 16 can rotate therebetween. The second motor 17 is fixed at The output end on the support plate 15 is connected to the forward and reverse screw rods 16, and the second motor 17 needs to be able to drive the forward and reverse screw rods 16 to rotate in both directions. The outer wall of the forward and reverse screw rods 16 is formed with two sections of external threads with opposite screw directions. The two screw hole blocks 18 are respectively threadedly connected with the two sections of external threads. The two vertical rods 19 are fixed on the bottom plate 1 and are located on both sides of the forward and reverse screw rods 16. The left and right ends of the base block 20 are formed with cylinders that match the vertical rods 19, so that the base block 20 can move up and down between the vertical rods 19. The base block 20 and A pin shaft for connecting the connecting rod 21 is formed on the screw hole block 18, so that the two ends of the connecting rod 21 can rotate relative to the base block 20 and the screw hole block 18. Since the screw hole block 18 is restricted by the connecting rod 21 and cannot rotate, the rotation of the forward and reverse screw rods 16 can drive the two screw hole blocks 18 to move closer or farther synchronously, and the base block 20 is driven up and down by the transmission of the connecting rod 21. The welding head device 22 is fixed on the base block 20, and the pipe fittings are welded by the contact between the existing welding head device 22 and the pipe fittings.

[0017] Working principle: Place two titanium alloy pipes to be welded on the receiving rollers 7 on the left and right sides respectively, align the interfaces of the pipes and make the interfaces correspond to the welding head device 22 up and down, drive the top plate 9 and the holding roller 10 to move down through the second electric cylinder 8, clamp the pipes through the holding roller 10 and the receiving roller 7, drive the buckle plate 5 to move through the first electric cylinder 2, make the clamped pipes close to each other, apply axial pressure to the pipes, so as to facilitate subsequent welding, and drive the forward and reverse screw rods through the second motor 17 16 is rotated to adjust the spacing of the screw hole block 18, and then the base block 20 and the welding head device 22 are driven to move up and down through the transmission of the connecting rod 21, and the welding head device 22 is used to contact the interface of the pipe fitting for welding, and the receiving rollers 7 on both sides are driven to rotate by the first motor 11, so that the pipe fittings clamped on both sides rotate synchronously, and the pipe fittings are intermittently rotated for one circle, and the welding head device 22 is moved up and down to weld the interface of the pipe fitting. After welding, the top plate 9 and the holding roller 10 are lifted, and then the pipe fitting is pulled out.

[0018] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tubular titanium alloy welding device, comprising a base plate (1), characterized in that: A first electric cylinder (2) is symmetrically arranged at the upper end of the base plate (1), a slide rail (3) is symmetrically arranged at the upper end of the base plate (1) and on both sides of the first electric cylinder (2), a slider (4) is movably connected to the slide rail (3), a pinch plate (5) is arranged between the upper ends of the sliders (4) facing each other, a push plate (6) is arranged at the output end of the first electric cylinder (2), the push plate (6) is connected to the pinch plate (5), a receiving roller (7) is symmetrically arranged at the upper end of the pinch plate (5), a second electric cylinder (8) is arranged at the upper end of the pinch plate (5) and on the outer side of the receiving roller (7), a top plate (9) is arranged between the output ends of the second electric cylinder (8) facing each other, and a holding roller (10) is symmetrically arranged at the lower end of the top plate (9).

2. A tubular titanium alloy welding device according to claim 1, characterized in that: A first motor (11) is provided at the right front of the upper end of the right buckle plate (5), and an extension shaft (12) is provided at the right end of the right front receiving roller (7); the output end of the first motor (11) and the extension shaft (12) are connected via a gear (13), and the receiving rollers (7) at the front are connected via a telescopic coupling (14).

3. A tubular titanium alloy welding device according to claim 1, characterized in that: A support plate (15) is symmetrically arranged at the middle of the upper end of the base plate (1), and a forward and reverse screw rod (16) is rotatably connected between the support plates (15). A second motor (17) is arranged at the front end of the front support plate (15), and an output end of the second motor (17) is connected to the forward and reverse screw rod (16). A screw hole block (18) is symmetrically threadedly connected to the outer side of the forward and reverse screw rod (16). Vertical rods (19) are arranged at the upper end of the base plate (1) and on both sides of the forward and reverse screw rod (16). A base block (20) is movably connected between the vertical rods (19). A connecting rod (21) is hinged between the base block (20) and the screw hole block (18), and a welding head device (22) is arranged at the upper end of the base block (20).

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